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Demon slayer

Make a minecraft demon slayer mod with breathing styles and demons and add swords ranks and add achivements

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fabricServer1.21.1mod

What this mod adds

  • Demon Slayer themed server gameplay: selectable breathing styles, ranked nichirin blades, and demon encounters.
  • Breathing styles (/demonslayer breathing set|use|info) grant themed buffs with a short cooldown; styles include Water, Flame, and Thunder.
  • Demon summoning for operators (/demonslayer demon spawn <count>) spawns tagged, buffed zombies marked as demons; killing them counts toward progression.
  • Ranked swords (/demonslayer sword <rank>) for ops give nichirin blades with bonus damage to demons; ranks range from Mizunoto up to Hashira.
  • Advancements: pick up a nichirin to start, use breathing for “Breathing Mastery,” slay a demon for “Demon Hunter,” and claim a Hashira blade for “Hashira Prestige.”

Usage and notes

  • Players can set and activate breathing styles themselves; effects are instant and have an 8-second cooldown.
  • Demon spawns and sword giving are restricted to permission level 2+.
  • Advancements beyond the root are granted automatically when breathing is used, demons are slain, or a Hashira blade is received.

Known limitations / future ideas

  • Breathing style choice is stored in-memory; it resets if the server restarts.
  • Demons use strengthened zombies with vanilla visuals; a client resource pack/mod would be needed for unique models or textures.
  • Sword stats follow their material defaults; deeper differentiation (abilities, particles, custom models) would need client-side assets or additional logic.

Server Validation

Server validation passed - The mod was tested on a real Minecraft server and loaded successfully.